Delta THINKPAD R40 Technical Information

IBM Mobile SystemsThinkPad Computer Hardware Maintenance Manual March 2004This manual supports:ThinkPad R40 

(continuation of safety notice 1) Antes de encender el sistema despues de sustituir una FRU, compruebe que todos los tornillos, muelles y demás piezas

When installing: Place the CPU on the CPU socket (1), and then rotate the head of the screw (A) in the direction of arrow 2 to secure the CPU.12A

1140 Bluetooth antenna assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1060 Keyboard” on page 73 v “1100 H

1150 LCD assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1050 Mini PCI adapter” on page 70 v “1060 Keyboar

32Step Screw (quantity) Torque 2 M2.5 × 6 mm, Yellow (1) 0.294 Nm(3 kgfcm) (continued) Removing and replacing a FRU ThinkPad R40 99

6654Step Screw (quantity) Torque 4 M2.0 × 3.5 mm, Silver (2) 0.294 Nm(3 kgfcm) 6 M2.5 × 8.5 mm, Black (4) 0.294 Nm(3 kgfcm) (continued) Removing

77Removing and replacing a FRU ThinkPad R40 101

When installing: Make sure that the antenna cables are routed along the cable holder as shown in this figure, and then attach the LCD assembly to the

1160 Keyboard bezel For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1050 Mini PCI adapter” on page 70 v “1060 Keybo

If the ThinkPad computer you are servicing has the touch pad, detach the connector a before removing the screws. a When installing: If the ThinkP

Remove the keyboard bezel in the direction of arrow 2. 22 Removing and replacing a FRU ThinkPad R40 105

Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, thro

For machine type 2684, 2685 111112221 Step Screw (quantity) Torque 1 M2.5 × 8.5 mm, Black (6) 0.294 Nm(3 kgfcm) 2 M2.5 × 6 mm, Yellow (3) 0.294

Remove the keyboard bezel in the direction of arrow 2. 22 Removing and replacing a FRU ThinkPad R40 107

1170 Speaker assembly and microphone cable For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1050 Mini PCI adapter” on

1180 System board For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1050 Mini PCI adapter” on page 70 v “1060 Keyboar

v System board without IBM security chip Begin by checking the FRU number of the system board, and be sure to use the correct system board FRU for

For machine type 2684, 2685 v System board without IBM security chip Begin by checking the FRU number of the system board, and be sure to use the

For machine type 2681, 2682, 2683, 2722, 2723, 2724 11a1a Step Screw (quantity) Torque 1 M2.5 × 6 mm, Yellow (2) 0.294 Nm(3 kgfcm) 1+1a M2.5

When installing: v Attach the system board so that the two small projections on the base cover fit into the holes provided. v Make sure that the l

For machine type 2684, 2685 111a Step Screw (quantity) Torque 1 M2.5 × 6 mm, Yellow (2) 0.294 Nm(3 kgfcm) 1+1a M2.5 × 6 mm, Yellow (3) 0.294

When installing: v Attach the system board so that the two small projections on the base cover fit into the holes provided.12 Note: When replacin

(continuation of safety notice 2) Alcune batterie di riserva contengono una piccola quantità di nichel e cadmio. Non smontarle, ricaricarle, gettarle

1190 Hard-disk drive slot For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1050 Mini PCI adapter” on page 70 v “1060

2000 Ultrabay Plus guide rail For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1050 Mini PCI adapter” on page 70 v “

a12Step Screw (quantity) Torque 1 M2 × 13 mm, Silver (1) 0.294 Nm(3 kgfcm) 2 M2.0 × 3.5 mm, Silver (1) 0.294 Nm(3 kgfcm) When installing: Attac

2010 I/O Bracket For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1020 Ultrabay Plus device” on page 65 v “1030 Hard

2020 LCD front bezel For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1050 Mini PCI adapter” on page 70 v “1060 Keyb

2030 Inverter card For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1050 Mini PCI adapter” on page 70 v “1060 Keyboa

2040 LCD panel and LCD cable assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1050 Mini PCI adapter” on page

243When installing the LCD panel, do the following: v Place the FPC connector under the black antenna cable. v Make sure that the antenna cables a

2050 Antenna assembly, hinges, and LCD cover For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1050 Mini PCI adapter” o

To install the antenna assembly, do as follows: 1. Make sure that the antenna assembly and hinges are firmly attached; there are some projections (

Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it.

2. Route the black cable (AUX) as in figures 4 and 5.444 5 3. Secure the antenna assembly and hinges with screws to the LCD cover.Removin

Locations Front view for 2681, 2682, 2683, 2722, 2723, 2724 1 Bluetooth/Wireless LAN status indicator (on some models) 2 System status indicators

56781011121314912341516Locations 128 ThinkPad R40

Rear view for 2681, 2682, 2683, 2722, 2723, 2724 1 Power status indicators 2 Bluetooth status indicator (on some models) 3 S-Video-out connector

Bottom view for 2681, 2682, 2683, 2722, 2723, 2724 1 Battery pack 2 Battery pack latches 3 DIMM slots 4 Docking connector 5 Mini PCI card s

Front view for 2684, 2685 1 Wireless LAN status indicator (on some models) 2 System status indicators 3 Power status indicators 4 Power switch

Rear view for 2684, 2685 1 Power status indicators 2 Universal serial bus (USB) connector 3 Ethernet connector 4 Modem connector 5 External-

Bottom view for 2684, 2685 1 Battery pack 2 Battery pack latches 3 DIMM slots 4 Mini PCI card slot 5 PC Card slots 6 PC Card eject button

Parts list R40 series model matrix The R40 series includes several models. The following table summarizes the characteristics of each model, to help y

Model CPU LCD Bay device Mini PCI 2681–C3x P4 1.9G 14.1 in, XGA DVD — 2681–M4x P4 2.0G ATI M6 16MB/ Memory 256MB/ HDD 20GB 2681–26x Cel 1.6G 14.1 in,

(continuation of safety notice 3) Las baterías contienen pequeñas cantidades de níquel. No las desmonte, ni recargue, ni las eche al fuego o al agua n

Model CPU LCD Bay device Mini PCI 2683–FAx2682–FAx, F9x2681–M7x P4 2.0G 14.1 in, XGA DVD Ready 2682–FEx Cisco 2896–FZU Open 2682–G9x 15 in, XGA Ready

Model CPU LCD Bay device Mini PCI 2681–CFx, C6x P4 1.9G 14.1 in, XGA Combo Ready 2681–C5x CDROM 2681–C4x DVD 2681–D5x 15 in, XGA CDROM 2681–FFx, M6G,

Model CPU LCD Bay device Mini PCI 2681–2Ux Cel 1.6G 14.1 in, XGA Open Ready 2681–3Ux 15 in, XGA 2681–4Tx Cel 1.8G 14.1 in, XGA Blank Bezel 2681–4Ux Op

Model CPU LCD Bay device Mini PCI 2681–DHx P4 1.9G 15 in, XGA DVD Ready 2681–DGx CDROM 802.11b 2681–DJx — 2681–DKx Combo 802.11b 2681–D7x DVD Ready 26

Model CPU LCD Bay device Mini PCI 2681–JJx, J3x, JKx, JPx, JMx, JNx P4 2.2G 14.1 in, XGA DVD Ready 2681–J6x CDROM 2681–J4x, JFx, JLx Combo 2681–J1x 80

Model CPU LCD Bay device Mini PCI 2724–3Px2723–3Px, 3Lx PM 1.3G 14.1 in, XGA Combo 802.11a/b 2724–3Xx2723–3Xx2897–34U 802.11b 2722–3Jx Ready 2722–3Cx

Model CPU LCD Bay device Mini PCI 2681–P4x P4 2.4G 15 in, XGA Blank Bezel 802.11b 2681–Q2x, QBx, Q3x 15 in, SXGA Combo 2681–QCx Ready 2681–Q6x 802.11a

For machine type 2684, 2685 Model CPU LCD Bay device Mini PCI Integrated shared/ Memory 128MB/ HDD 20GB 2684–22x2685–22x Cel 1.7G 13.3 in, XGA CDROM

Overall For machine type 2681, 2682, 2683, 2896 131715316710811142092156b4181219212322252426cad89 Parts list 144 ThinkPad R40

v Each FRU is available for all types or model, unless specific types or models are specified. v A CRU (Customer Replaceable Units) is identified

Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, di

No. FRU P/N CRUID a - d See “Miscellaneous parts” on page 169. 1 KBD bezel Middle cover ASM (15 in TFT) 46P3104 N KBD bezel Middle cover ASM (13/14 in

No. FRU P/N CRUID 13 Lower Case w/ label IIPC —wireless (15 in TFT) M/T 2681 46P3108 N Lower Case w/ label Korea —wireless (15 in TFT) M/T 2681 46P310

No. FRU P/N CRUID 13 Lower Case w/ label W/W —wireless (13/14 in TFT) M/T 2683 91P8584 N Lower Case w/ label EMEA —wireless (13/14 in TFT) M/T 2683 91

No. FRU P/N CRUID 14 Bluetooth antenna assemblydepending on the model 91P6806 N 15 DIMM — 128MB 10K0029 ** DIMM — 256MB 10K0031 ** DIMM — 512MB 10K003

No. FRU P/N CRUID 20 PC card slot (15 in TFT) 46P3100 N PC card slot (13/14 in TFT) 46P3101 N 21 Fan ASM 46P3099 N 22 HDD w/ tray and screws 20GB Hita

For machine type 2722, 2723, 2724, 2892, 2893, 2897 131715316710811142092156b4181219212322252426cad89 Parts list ThinkPad R40 151

No. FRU P/N CRUID a - d See “Miscellaneous parts” on page 169. 1 KBD bezel Middle cover ASM (15 in TFT) 46P3104 N KBD bezel Middle cover ASM (13/14 in

No. FRU P/N CRUID 13 Lower Case w/ label EMEA —wireless (13/14 in TFT) M/T 2722 91P9597 N Lower Case w/ label IIPC —wireless (13/14 in TFT) M/T 2722 9

No. FRU P/N CRUID 13 Lower case w/ label kit W/W(15 in TFT) M/T 2722 91P9735 N Lower case w/ label kit W/W(13/14 in TFT) M/T 2722 91P9736 N Lower case

No. FRU P/N CRUID 16 802.11b Wireless Card (Calexico-b)— W/W 91P7293 ** 802.11b Wireless Card (Calexico-b)— xxA xxC xxG xxK xxS 91P7267 ** 802.11b Cis

(continuation of safety notice 4) La batteria di supporto e una batteria al litio e puo incendiarsi, esplodere o procurare gravi ustioni. Evitare di

No. FRU P/N CRUID 23 Hard-disk drive cover (15 in TFT) 46P3116 ** Hard-disk drive cover (13/14 in TFT) 46P3117 ** 24 Keyboard** (see “Keyboard” on pag

For machine type 2684, 2685 1316143157108111992156b4171218202221242325cad89 Parts list ThinkPad R40 157

No. FRU P/N CRUID a - d See “Miscellaneous parts” on page 169. 1 KBD bezel Middle cover ASM (13/14 in TFT) 46P3105 N 2 KBD bezel Upper case (13/14 in

No. FRU P/N CRUID 13 Lower Case w/ label EMEA —no wireless (13/14 in TFT) M/T 2684 91P9631 N Lower Case w/ label IIPC —no wireless (13/14 in TFT) M/T

No. FRU P/N CRUID 18 Hard-disk guide rail assembly 91P9640 N 19 PC card slot (13/14 in TFT) 46P3101 N 20 Fan ASM 46P3099 N 21 HDD w/ tray and screws 2

LCD FRUs 12345 Parts list ThinkPad R40 161

13/14 in. TFT For machine type 2681, 2682, 2683 No. FRU P/N CRUID 1 LCD Bezel ASM (13 in TFT) 46P3092 N LCD Bezel ASM (14 in TFT) 46P3091 N LCD Rear

No. FRU P/N CRUID 5 LCD Panel ASM 14 in (LG) 11P8283 N LCD Panel ASM 14 in (Samsung) 11P8364 N LCD Panel ASM 14 in (DBU) 92P6641 N LCD Panel ASM 14 in

No. FRU P/N CRUID 2 LCD Hinge/bracket kit w/ antenna 46P3093 N LCD Hinge/bracket kit 91P8632 N 3 LCD Cable ASM (XGA, wireless 30P) 08K4067 N LCD Cable

Keyboard Language P/N (NMB) P/N (Chicony) CRUID Arabic 08K4743 08K4771 ** Belgian 08K4740 08K4768 ** Chinese, Traditional 08K4754 08K4782 ** Czech 08

Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with wa

Recovery CDs For Windows 2000 Professional Windows 2000 Professional is preinstalled as the operating system in some models. For machine type 2681, 26

For Windows XP Home Edition Windows XP Home Edition is preinstalled as the operating system in some models. For machine type 2681, 2682, 2683, 2722, 2

For Windows XP professional Windows XP Professional is preinstalled as the operating system in some models. For machine type 2681, 2682, 2683, 2684, 2

Miscellaneous parts For machine type 2681, 2682, 2683, 2722, 2723, 2724 FRU P/N CRUID Screw kit: v M2.0 × 3.5 mm, Silver #1 (20) v M2.0 × 4.5 mm,

FRU P/N CRUID System miscellaneous parts kit: v (a) Plate, CDC (1) v (b) Cable, Modem (1) v (c) Plate, Thermal Brookdale (1) v (d) Plate, Ther

For machine type 2684, 2685 FRU P/N CRUID Screw kit: v M2.0 × 3.5 mm, Silver #1 (20) v M2.0 × 4.5 mm, 0.6T Yellow #0 (5) v M2.5 × 5 mm, Black #

FRU P/N CRUID System miscellaneous parts kit: v (a) Plate, CDC (1) v (b) Cable, Modem (1) v (c) Plate, Thermal Brookdale (1) v (d) Plate, Ther

Telephone cable FRU P/N CRUID Telephone cable (Australia) 27L0467 N Telephone cable (Austria) 27L0449 N Telephone cable (BE/BK/BS/BD/BF) 27L0451 N Te

Optional FRUs Ultrabay Plus devices For machine type 2681, 2682, 2683, 2722, 2723, 2724 FRU P/N CRUID ThinkPad Multi-Burner Ultrabay 2000 Drive 22P70

FRU P/N CRUID Main battery Li-Ion (6cell) Sanyo 92P0988 * Main battery Li-Ion (6cell) Panasonic 92P0990 * Parts list ThinkPad R40 175

Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque

Common parts list Tools Triconnector wrap plug 72X8546 PC test card 35G4703 Audio wrap cable 66G5180 USB parallel test cable 05K2580 Screwdriver kit

Region P/N CRU ID Switzerland 76H3528 * Power cords (ThinkPad Mini Dock) IBM power cords for a specific country or region are usually available only

Notices References in this publication to IBM products, programs, or services do not imply that IBM intends to make these available in all countries i

Notices ThinkPad R40 179

Part Number: 13N6183 Printed in Korea (1P) P/N: 13N6183

Safety notice 7 DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or co

Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 178.First Edition (Mar

Safety notice 8 DANGER Before removing any FRU, power off the computer, unplug all power cords from electrical outlets, remove the battery pack, an

Safety information The following section presents the safety information that you need to be familiar with before servicing an IBM mobile computer. Ge

v After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective. v Reinstall

– When using testers, set the controls correctly and use the approved probe leads and accessories for that tester. – Stand on suitable rubber mats

If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correctin

damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge. Notes 1.

Laser compliance statement Some IBM Personal Computer models are equipped from the factory with an optical storage device such as a CD-ROM drive or a

When a CD-ROM drive, DVD drive or the other laser product is installed, note the following: CAUTION: Use of controls or adjustments or performance

Some CD-ROM drives, DVD-ROM drives, or other optical storage devices contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER

General descriptions This chapter includes descriptions for any ThinkPad model that has the PC-Doctor DOS diagnostics program. Some descriptions might

Contents About this manual . . . . . . . . . . .1 Introduction . . . . . . . . . . . . .3 Important service information . . . . . . . . .3 Strategy

__ 4. Date of purchase __ 5. Failure symptoms, error codes appearing on the display, and beep symptoms __ 6. Procedure index and page number in

v If the spindle of a hard-disk drive becomes noisy, it may have been subjected to excessive force, or dropped.Read this first General descriptions

Related service information This section provides information about the following: v “Service web site” v “Restoring the preloaded system” v “Pa

The Product Recovery program is in a section of your hard disk drive that is not displayed by Windows Explorer. Note: The recovery process might take

Note: If you do not want to create the service partition, press N key, and then go to step 8. 5. At next window, press Enter to continue. v The s

Power-on password: A power-on password (POP) protects the system from being powered on by an unauthorized person. The password must be entered before

4. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does not appear. The POP has been removed. 5. Reins

Power management To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation. Notes v Scree

v If the battery indicator blinks orange, indicating that the battery power is low. (Alternatively, if Hibernate when battery becomes low has been s

v The system is powered off.Note: If the computer enters the hibernation mode while it is docked to the docking station, do not undock it from the

1030 Hard-disk drive . . . . . . . . . .66 1040 DIMM . . . . . . . . . . . .68 1050 Mini PCI adapter . . . . . . . . .70 1060 Keyboard . . . . . .

Checkout guide Use the following procedures as a guide in identifying and correcting problems with the ThinkPad computer. Note: The diagnostic tests

If an error code appears, go to “Symptom-to-FRU index” on page 53. On the first screen, select the model and press Enter. Follow the instructions on t

DiagnosticsQuitInteractive TestsHardware InfoUtility F1=HelpRun Quick TestRun Normal TestSystemboardCPU/CoprocessorVideo AdapterSerial PortsDiskette D

Power system checkout To verify a symptom, do the following: 1. Power off the computer. 2. Remove the battery pack. 3. Connect the ac adapter. 4

v If the problem persists, go to “Product overview” on page 45.Note: Noise from the ac adapter does not always indicate a defect. Checking operatio

2345(-)1(+)Terminal Voltage (V dc) 1 + 0 to + 16.8 5 Ground (−) 3. If the voltage is less than +14.4 V dc, the battery pack has been discharged. N

If the resistance is not correct, replace the battery pack. If the resistance is correct, replace the system board.Checking the backup battery Do the

ThinkPad R40 Product overview . . . . . . . . . . . .45 Specifications . . . . . . . . . . . .45 Status indicators . . . . . . . . . . .48 FRU test

Bottom view for 2681, 2682, 2683, 2722, 2723, 2724 . . . . . . . . . . . . . 130 Front view for 2684, 2685 . . . . . . . . 131 Rear view for 2684, 2

Product overview This section presents the following product-unique information: v “Specifications” v “Status indicators” on page 48 v “FRU test

About this manual This manual contains service and reference information for IBM ThinkPad R40 product. Use this manual along with the advanced diagnos

Feature Description CMOS RAM v 242 bytes Hard-disk drive 2681, 2682, 2683, 2722, 2723, 2724 v 20.0 GB, 4200 rpm, 2.5-inch, IDE interface v 30.0

Feature Description PC Card v Type-II or Type-III Communication daughter card (CDC) v V.90 modem daughter card (MDC) v Bluetooth Modem daughter

Status indicators The system status indicators show the status of the computer, as follows: 783 4 5 6129TM Indicator Meaning 1 Bluetooth status G

Indicator Meaning 3 Drive in use Green: Data is being read from or written to the hard-disk drive, the diskette drive, or the drive in the Ultrabay

FRU tests The following table shows the test for each FRU. FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2. Diagnostics

FRU Applicable test CD-ROM or DVD drive 1. Diagnostics --> Other Devices --> CD-ROM/DVD 2. Interactive Tests --> CD-ROM/DVD Test Memory 1

Fn key combinations The following table shows the function of each combination of Fn with a function key. Key combination Description Fn+F1 Reserved.

Symptom-to-FRU index The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cause is listed fir

Symptom or error FRU or action, in sequence 0187EAIA data access error—The access to EEPROM is failed. System board. 0188Invalid RFID serialization in

Symptom or error FRU or action, in sequence 0250System battery error—System battery is dead. Replace the backup battery and run IBM BIOS Setup Utility

2 ThinkPad R40

Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load “Setup Defaults” in IBM BIOS Setup Utility. 2. Backup

Beep symptoms Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD. 1. Reset the LCD connector. 2. LCD a

LCD-related symptoms Important The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). A small number of dots that are miss

Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware defect, such as cosm

FRU replacement notices This section contains notices related to removing and replacing parts. Read this section carefully before replacing any FRU. S

v Make sure you use the correct screw. If you have a torque screwdriver, tighten all screws firmly to the torque shown in the table. Never use a scr

and stored in the EEPROM of your system board. The algorithm that generates the number is designed to provide unique IDs until the year A.D. 3400. No

Removing and replacing a FRU This section presents directions and drawings for use in removing and replacing a FRU. Be sure to observe the following g

1010 Battery pack DANGER The use only the battery in the parts listing for your computer. Use of an incorrect battery can result in ignition or exp

1020 Ultrabay Plus device For machine type 2681, 2682, 2683, 2722, 2723, 2724 Note Any of Ultrabay Plus devices can be installed into the Ultrabay P

Introduction Important service information Important BIOS and device driver fixes are customer-installable. The BIOS and device drivers are posted on

1030 Hard-disk drive Attention v Do not drop or apply any shock to the hard-disk drive. The hard-disk drive is sensitive to physical shock. Imprope

2334When installing: Make sure that the hard-disk connector is firmly attached. Removing and replacing a FRU ThinkPad R40 67

1040 DIMM For access, remove this FRU: v “1010 Battery pack” on page 64Note: Loosen the screws 1, but do not remove them.12 Step Screw (quanti

334When installing: With the notched end of the DIMM toward the socket, insert the DIMM into the socket, and then press it firmly. Pivot the DIMM unt

1050 Mini PCI adapter For access, remove this FRU: v “1010 Battery pack” on page 64Note: Some models do not have the Mini PCI card socket.Note: Lo

Antenna cables 4a and 4b are for the wireless LAN feature. Note: When unplugging the antenna jack, do not pull the cable; it might snap. Unplug t

655When installing: With the notched end of the card toward the socket, insert the card into the socket, and then press it firmly. Pivot the card unt

1060 Keyboard For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 For machine type 2681, 2682, 2683, 2722, 2723, 2724 1 Ste

234In step 5, pull the keyboard a little in the direction of the arrow, and then detach the connector 6. 56 Removing and replacing a FRU 74 Thin

When installing: Install the keyboard, following the directions below. 1. Attach the connector. (Step 6 in the removal procedure.) 2. Make sure

Strategy for replacing a hard-disk drive Always try to run a low-level format before replacing a hard-disk drive. Attention: The drive startup seque

4. To make sure that the front side of the keyboard is housed firmly, gently press the keys with your thumbs and try to slide the keyboard towards y

For machine type 2684, 2685 1 Step Screw (quantity) Torque 1 M2.5 × 8.5 mm, Black (2) 0.294 Nm(3 kgfcm) (continued) Removing and replacing a FR

234In step 5, pull the keyboard a little in the direction of the arrow, and then detach the connector 6. 56 Removing and replacing a FRU 78 Thin

When installing: Install the keyboard, following the directions below. 1. Attach the connector. (Step 6 in the removal procedure.) 2. Make sure

4. To make sure that the front side of the keyboard is housed firmly, gently press the keys with your thumbs and try to slide the keyboard towards y

1070 Backup battery DANGER The use only the battery in the parts listing for your computer. Use of an incorrect battery can result in ignition or e

1080 Optical storage in the fixed bay For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1060 Keyboard” on page 73 For m

Pull the L-shaped bracket to the right of the computer and drag out the built-in optical drive from the computer. Note: There is a sharp object next

3Removing and replacing a FRU 84 ThinkPad R40

1090 PC Card slot assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1040 DIMM” on page 68 v “1050 Mini PCI a

Safety notices: multilingual translations In this manual, safety notices appear in English with a page number reference to the appropriate multilingua

2When installing: Make sure that the connector of the PC card slot is firmly attached, and then secure the screws. Removing and replacing a FRU 86 Th

1100 Hinge cover For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 When installing: Attach the hinge cover, aligning the

1110 Communication daughter card (CDC) For access, remove this FRU: v “1010 Battery pack” on page 64 v “1060 Keyboard” on page 73 v “1100 Hinge

Modem daughter card (MDC) 345 (continued) Removing and replacing a FRU ThinkPad R40 89

67When installing: Make sure that connector 6 is firmly attached.98 Step Screw (quantity) Torque 8 M2.5 x 6 mm, Yellow (1) 0.294 Nm(3 kgfcm)

1011Step Screw (quantity) Torque 10 M2.0 x 3.5 mm, Silver (2) 0.294 Nm(3 kgfcm) 1312 Step Screw (quantity) Torque 12 M2.0 x 3.5 mm, Silver (1

1514When installing: Make sure that connectors 14 and 15 are firmly attached. IBM Integrated Bluetooth with 56K Modem (BMDC) For machine type 268

1617When installing: Make sure that antenna jack 17 is firmly attached.Note: When unplugging the Bluetooth antenna jack 17, do not pull the cabl

1120 Fan assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1060 Keyboard” on page 73 v “1100 Hinge cover” on

1130 CPU For access, remove these FRUs, in order: v “1010 Battery pack” on page 64 v “1060 Keyboard” on page 73 v “1100 Hinge cover” on page 87